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Trichobacteriosis of scrotum
Corresponding author: Dr. Ramamoorthy Logamoorthy, Department of Dermatology, Sri Manakula Vinayagar Medical College and Hospital, Madagadipet, Puducherry, India. logamoorthy.r@gmail.com
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Received: ,
Accepted: ,
How to cite this article: Vanila M, Logamoorthy R, Karthikeyan K. Trichobacteriosis of scrotum. Indian J Dermatol Venereol Leprol. 2026;92:246-7. doi: 10.25259/IJDVL_1497_2025
A 45-year-old obese man presented with yellowish discolouration of scrotal hair for 1 year associated with malodour, pruritus, and excessive sweating. Examination revealed firmly adherent yellowish concretions along scrotal hair shafts with foul odour [Figure 1a]. Wood’s lamp examination showed distinct green fluorescence of affected hairs [Figure 1b]. Dermoscopy (DL4, 10×, polarised) showed yellow nodular concretions on shafts [Figure 1c], while light microscopy revealed irregular brownish concretions coating hair [Figure 1d]. A diagnosis of Trichobacteriosis (formerly called as Trichomycosis pubis) was made which is is caused by Corynebacterium species. The patient improved with 1% topical clindamycin for 2 weeks and hygiene measures.
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